US4622220A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Preparation for oral hygiene
Assignee: Blendax GmbH
•
Filing: 1985-02-19
•
Granted: 1986-11-11
•
Expires: 2005-02-19
Abstract
Abstract A composition for oral hygiene with improved efficacy against dental plaque, said composition containing zinc aspartate and/or copper aspartate, preferably in an amount of 0.05 to 5% by weight based on the total weight of the composition.
Inventors
- 👤 Franz Frosch
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 15:05
CPC Classifications
A; A61; A61K; A61K8/00; A61K8/18; A61K8/30; A61K8/40; A61K8/44; A61Q; A61Q11/00
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
41 words
A toothpaste composition effective against the formation of dental plaque containing from 0.05 to 5% by weight, based on the total weight of the composition, of a member selected from the group consisting of zinc aspartate, copper aspartate and mixtures thereof.
Claim 2
Dependent Claim
41 words
A toothpaste composition effective against the formation of dental plaque containing from 0.05 to 5% by weight, based on the total weight of the composition, of a member selected from the group consisting of zinc aspartate, copper aspartate and mixtures thereof.
Claim 3
Dependent Claim
31 words
The composition of claim 1, wherein the zinc aspartate or copper aspartate is present in an amount of 0.25 to 2.5% by weight, based on the total weight of the composition.
Claim 4
Dependent Claim
23 words
A toothpaste composition according to claim 1, containing zinc aspartate and a polishing agent which is composed of more than 50% alumina hydrate.
Claim 5
Dependent Claim
24 words
A toothpaste composition according to claim 1, containing copper aspartate and a polishing agent which is composed of more than 50% of calcium carbonate.
Claim 6
Dependent Claim
23 words
A method for preventing the formation of dental plaque which comprises treating the teeth with a toothpaste composition in accordance with claim 1.
Claim 7
Dependent Claim
23 words
Aqueous toothpaste composition according to claim 1, containing copper aspartate and a polishing agent being composed to more than 50% of calcium carbonate.
Claim 8
Dependent Claim
23 words
Aqueous toothpaste composition according to claim 1, containing copper aspartate and a polishing agent being composed to more than 50% of calcium carbonate.
Claim 9
Dependent Claim
30 words
The method of claim 5 wherein the zinc aspartate or copper aspartate is present in amount of 0.25 to 2.5% by weight based on the total weight of the composition.
Claim 10
Dependent Claim
13 words
The method of claim 5 wherein the composition is an aqueous toothpaste composition.
References Cited (Backward Citations)
US4022880A
Cited
US4146607A
Cited
EP0006708A1
Cited
EP0011663A1
Cited
GB2052978A
Cited
US4255419A
Cited
US4332791A
Cited
US4339429A
Cited
US4325939A
Cited
EP0049830A2
Cited
US4289755A
Cited
US4503070A
Cited
EP0074082A2
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1989-11-10 | 1990-05-12 | 1990-11-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1993-11-10 | 1994-05-12 | 1994-11-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1997-11-10 | 1998-05-12 | 1998-11-11 | $7700.00 | Window Closed / Lapsed |